Evaluate the function.f(x, y) = xy2 + ; find f.

A. 2x3
B. 2x4
C. x6 + x3
D. x4 + x3


Answer: D

Mathematics

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Write the number in scientific notation.The treasurer's records showed a debt of $8375.

A. $8.375 × 103 B. $8.375 × 101 C. $8.375 × 10-3 D. $8.375 × 104

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Factor completely. State that the polynomial is prime if it cannot be factored.25y4 - 9

A. (5y2 + 3)2 B. prime C. (5y2 - 3)2 D. (5y2 + 3)(5y2 - 3)

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Find the vertex of the parabola by completing the square.x = y2 + 2y - 1

A. (-2, -1) B. (-2, 1) C. (1, 0) D. (-1, -2)

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Solve.The height of the tallest building in Anne's home town is  which is about  taller than the tallest building in Laurie's home town. What is the height of the tallest building in Laurie's home town?

A. 325 ft B. 339 ft C. 989 ft D. 452 ft

Mathematics